:root {
  --tinta: #11296B;
  --azul: #1C50C9;
  --cyan: #1FB6E8;
  --bg: #F4F7FC;
  --card: #FFFFFF;
  --line: #E2E8F2;
  --text: #1F2937;
  --muted: #6B7280;
  --danger: #C0392B;
  --ok: #0F8A5F;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; margin: 8px 0 0; font-size: 14px; }

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  font: inherit;
  background: #fff;
  color: var(--text);
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(28,80,201,0.12);
}
textarea { resize: vertical; line-height: 1.5; }
label { display: block; font-weight: 600; font-size: 14px; margin: 16px 0 4px; }
.hint { margin: 0 0 6px; font-size: 13px; color: var(--muted); }

.btn-primary {
  background: var(--azul);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
}
.btn-primary:hover { background: var(--tinta); }
.btn-primary:disabled { opacity: .6; cursor: default; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
  color: var(--text);
  font-weight: 500;
}
.btn-ghost:hover { border-color: var(--azul); color: var(--azul); }

/* ---------- Login ---------- */
.login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  background: var(--card);
  width: 100%;
  max-width: 380px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 24px 24px;
}
.login-logo { display: block; height: 44px; margin: 4px auto 18px; }
.login-card h1 { font-size: 20px; margin: 0 0 2px; text-align: center; }
.login-card > p.muted { text-align: center; margin: 0 0 8px; font-size: 14px; }
.login-card .btn-primary { width: 100%; margin-top: 18px; }

/* ---------- App ---------- */
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar-logo { height: 30px; }
.topbar-right { display: flex; align-items: center; gap: 14px; font-size: 14px; }

.tabs {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 0 18px;
  display: flex;
  gap: 4px;
}
.tab {
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 14px;
  color: var(--muted);
  cursor: pointer;
}
.tab.active { color: var(--azul); border-bottom-color: var(--azul); }

.content { max-width: 760px; margin: 22px auto; padding: 0 18px 60px; }
.panel-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.panel-head h2 { margin: 0 0 2px; font-size: 18px; }
.panel-head p { margin: 0; font-size: 14px; }

.switch { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; white-space: nowrap; }
.switch input { width: auto; }

.actions { display: flex; align-items: center; gap: 14px; margin-top: 22px; }
.status { font-size: 14px; font-weight: 600; }
.status.ok { color: var(--ok); }
.status.err { color: var(--danger); }

@media (max-width: 520px) {
  .panel-head { flex-direction: column; }
  .content { margin-top: 14px; }
}